1655074564 has 24 divisors (see below), whose sum is σ = 3402741888. Its totient is φ = 694436640.

The previous prime is 1655074537. The next prime is 1655074571. The reversal of 1655074564 is 4654705561.

It is a self number, because there is not a number n which added to its sum of digits gives 1655074564.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446172 + ... + 1447315.

It is an arithmetic number, because the mean of its divisors is an integer number (141780912).

Almost surely, 2^1655074564 is an apocalyptic number.

It is an amenable number.

1655074564 is an abundant number, since it is smaller than the sum of its proper divisors (1747667324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655074564 is a wasteful number, since it uses less digits than its factorization.

1655074564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893515 (or 2893513 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 1655074564 is about 40682.6076352045. The cubic root of 1655074564 is about 1182.8759124117.

It can be divided in two parts, 165507 and 4564, that added together give a palindrome (170071).

The spelling of 1655074564 in words is "one billion, six hundred fifty-five million, seventy-four thousand, five hundred sixty-four".